pakistanastrong message >> the pakistani relationship is difficult but it must be made to work overtime. but until we get through these difficulties, we will hold back some of the many that the american taxpayers have committed to give. >> some $800 million? >> yep. >> it's a lot of cash but is it a political move. our next guest called out the pakistani government in 2006 claiming they knew osama bin laden in's location. peter thompson joins me. he's the author of the new book "the wars of afghanistan." good to see you. >> thank you. >> i want to get your thoughts we reported that the half-brother of huh mean karzai in afghanistan has been assassinated. how does that affect the relationships? >> he was assassinated by the taliban. this reflects assistmatic policy of the taliban and their isi handlers, the intelligence organization is i think behind this as well. and also al-qaeda. this policy is a tool to eliminate real and potential enemies of the islamists they want to reimplant back in cob he will. >> so this is a blow to the u.s. in afghanistan? >> yes, and also the destabilization

. call or click today.>>>pakistanarrestas doctor for helping the cia in its efforts to nail osama bin laden. dr. t. is accused of trying to collect dna from people in bin laden's compound to prove he was there. cnn's reza sayah joins us live from islamabad. give us a sense about this doctor. he allegedly set up this fake vaccination drive? what was that about? >> reporter: yeah. we've been trying to put together bits and pieces of this alleged plot, and it really gives you a fascinating glimpse of how the cia was operating on the ground here in pakistan before the raid on the bin laden compound. a pakistani official has telling us this doctor has been arrested, accused of helping the cia to confirm the whereabouts of osama bin laden and allegedly stage add free vaccination campaign offering free vaccinations and shots to children and residents of abbottabad where the bin laden compound was located. according to the british paper "the guardian" he hired two nurses going around from house to house. the plan was to get to the bin laden children, somehow extract some of their blood or use